4-Bromo-3-methylthiophene-2-carbonyl chloride

Base Information

• Chemical Name: 4-Bromo-3-methylthiophene-2-carbonyl chloride
• CAS No.: 265652-36-6
• Molecular Formula: C₆H₄BrClOS
• Molecular Weight: 239.52
• Hs Code.: 2934999090
• European Community (EC) Number: 673-634-4
• DSSTox Substance ID: DTXSID80373724
• Wikidata: Q82162037
• Mol file: 265652-36-6.mol

Synonyms:265652-36-6;4-bromo-3-methyl-2-thiophenecarbonyl chloride;4-bromo-3-methylthiophene-2-carbonyl chloride;4-bromo-3-methylthiophene-2-carboxylic acidchloride;4-Bromo-3-methyl-thiophene-2-carboxylic acid chloride;SCHEMBL3045573;DTXSID80373724;LQDVGTOWGBSXPJ-UHFFFAOYSA-N;AKOS015960596;AB13922;4-bromo-3-methylthiophene-2-carbonylchloride;FT-0750203;4-bromo-3-methyl-thiophene-2-carbonyl chloride;A818511;J-016476;4-bromo-3-methylthiophene-2-carboxylic acid chloride

Chemical Property of 4-Bromo-3-methylthiophene-2-carbonyl chloride

Chemical Property:

• Vapor Pressure: 0.00442mmHg at 25°C
• Melting Point: 60-61°C
• Refractive Index: 1.604
• Boiling Point: 277.8 °C at 760 mmHg
• Flash Point: 121.8 °C
• PSA: 45.31000
• Density: 1.738 g/cm³
• LogP: 3.19800
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 237.88548
• Heavy Atom Count: 10
• Complexity: 153

Purity/Quality:

98%min ^*data from raw suppliers

4-Bromo-3-methylthiophene-2-carbonylchloride 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(SC=C1Br)C(=O)Cl

Technology Process of 4-Bromo-3-methylthiophene-2-carbonyl chloride

There total 2 articles about 4-Bromo-3-methylthiophene-2-carbonyl chloride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

3-methyl-4-bromo-2-thiophenecarboxylic acid (265652-39-9) → 4-bromo-3-methyl-2-thiophenecarbonyl chloride (265652-36-6)

Guidance literature:

With thionyl chloride; In 1,2-dichloro-ethane; N,N-dimethyl-formamide;

Reference yield:

→ 4-bromo-3-methyl-2-thiophenecarbonyl chloride (265652-36-6)

Guidance literature:

Reference yield:

1,4-dioxane (123-91-1,28347-88-8,28347-91-3,39449-24-6,54841-74-6) + 4-bromo-3-methyl-2-thiophenecarbonyl chloride (265652-36-6) + 2-chloro-6-fluorobenzenecarbothioamide (769-05-1) → Methyl 2-chloro-6-fluoro-N-[(4-bromo-3-methyl-2-thiophene)carbonyl]benzenecarboximidothioate (265652-40-2)

Guidance literature:

With pyridine; dimethyl sulfate;

upstream raw materials:

3-methyl-4-bromo-2-thiophenecarboxylic acid

Downstream raw materials:

Methyl 2-chloro-6-fluoro-N-[(4-bromo-3-methyl-2-thiophene)carbonyl]benzenecarboximidothioate

Refernces

• 1、 -. "Process for preparing 3-(substituted phenyl)-5-thienyl or furyl)-1,2,4-triazoles and novel intermediates utilized therein". . . Retrieved 2008/06/13.